body {
    margin: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: deepskyblue;
}

.plane {
    width: 28em;
    height: 13em;
    font-size: 10px;
    display: flex;
    justify-content: center;
    position: relative;
    color: black;
    animation: 
        plane-rotating 10s infinite,
        fly 5s infinite;
}

@keyframes plane-rotating {
    10%, 30%, 50% {
        transform: rotate(0deg);
    }
    
    20% {
        transform: rotate(-4deg);
    }
    
    80% {
        transform: rotate(8deg);
    }
    
    100% {
        transform: rotate(-1turn);
    }
}

@keyframes fly {
    10%, 50%, 100% {
        top: 0;
    }
    
    25% {
        top: 1em;
    }
    
    75% {
        top: -1em;
    }
}

.plane * {
    position: absolute;
}

.plane *::before,
.plane *::after {
    content: '';
    position: absolute;
}

.wings {
    width: inherit;
    display: flex;
    justify-content: center;
}

.wings::before {
    width: inherit;
    height: 0.5em;
    background-color: currentColor;
}

.wings::after {
    top: 4em;
    width: 90%;
    height: 0.4em;
    background-color: currentColor;
}

.fans {
    width: 11em;
    height: 11em;
    background: radial-gradient(
        black 2.5em,
        transparent 2.5em
    );
}

.fans span {
    width: inherit;
    height: inherit;
    animation: fans-rotating 0.8s linear infinite;
    animation-delay: calc(var(--n) * 0.1s);
}

@keyframes fans-rotating {
    to {
        transform: rotate(-1turn);
    }
}

.fans span::before {
    width: inherit;
    height: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    border-radius: 50% 50% 0 0 / 100% 100% 0 0;
    transform-origin: bottom;
    transform: rotate(calc((var(--n) - 1) * 90deg));
}

.fans span:nth-child(1) {
    --n: 1;
}

.fans span:nth-child(2) {
    --n: 2;
}

.fans span:nth-child(3) {
    --n: 3;
}

.fans span:nth-child(4) {
    --n: 4;
}

.wheels {
    width: 16em;
    height: 2em;
    bottom: 0;
    display: flex;
    justify-content: space-between;
}

.wheels span {
    position: static;
    width: 1em;
    height: inherit;
    background-color: currentColor;
    border-radius: 0.5em;
    display: flex;
    justify-content: center;
}

.wheels span::before {
    width: 0.2em;
    height: 8em;
    background-color: currentColor;
    transform-origin: bottom;
    bottom: 1em;
    z-index: -1;
}

.wheels .left::before {
    transform: rotate(45deg);
}

.wheels .right::before {
    transform: rotate(-45deg);
}
